| 205 | } |
| 206 | |
| 207 | void HandleMessage(const AlarmMessage& msg) { |
| 208 | switch (msg.Type) |
| 209 | { |
| 210 | case MessageType::SetAlarm: |
| 211 | if (g_Timer == nullptr) |
| 212 | g_Timer = ::CreateThreadpoolTimer(OnTimerExpired, nullptr, nullptr); |
| 213 | ::SetThreadpoolTimer(g_Timer, (PFILETIME)&msg.Time, 0, 1000); |
| 214 | break; |
| 215 | |
| 216 | case MessageType::CancelAlarm: |
| 217 | if (g_Timer) { |
| 218 | ::CloseThreadpoolTimer(g_Timer); |
| 219 | g_Timer = nullptr; |
| 220 | } |
| 221 | break; |
| 222 | default: |
| 223 | break; |
| 224 | } |
| 225 | } |
| 226 | |
| 227 | _Use_decl_annotations_ |
| 228 | void NTAPI OnTimerExpired(PTP_CALLBACK_INSTANCE, PVOID, PTP_TIMER) { |